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lock wait
timeout
In STMT and MIXED modes, a statement that changes both non-transactional and
transactional tables must be written to the binary log whenever there are
changes to non-transactional tables. This means that the statement gets into the
binary log even when the changes to the transactional tables fail. In particular
, in the presence of a failure such statement is annotated with the error number
and wrapped in a begin/rollback. On the slave, while applying the statement, it
is expected the same failure and the rollback prevents the transactional changes
to be persisted.
Unfortunately, statements that fail due to concurrency issues (e.g. deadlocks,
timeouts) are logged in the same way causing the slave to stop as the statements
are applied sequentially by the SQL Thread. To fix this bug, we automatically
ignore concurrency failures on the slave. Specifically, the following failures
are ignored: ER_LOCK_WAIT_TIMEOUT, ER_LOCK_DEADLOCK and ER_XA_RBDEADLOCK.
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connection to
server
If the server connection was lost during repeated status commands,
the client would fail to detect this and the client output would be inconsistent.
This patch fixes this issue by making sure that the server is online
before the client attempts to execute the status command.
client/mysql.cc:
* Replace variable "connected" with a call to mysql_real_query_for_lazy()
will attempt to reconnect to server on if there is a failure.
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Using DECIMAL constants with more than 65 digits in CREATE
TABLE ... SELECT led to bogus errors in release builds or
assertion failures in debug builds.
The problem was in inconsistency in how DECIMAL constants and
fields are handled internally. We allow arbitrarily long
DECIMAL constants, whereas DECIMAL(M,D) columns are limited to
M<=65 and D<=30. my_decimal_precision_to_length() was used in
both Item and Field code and truncated precision to
DECIMAL_MAX_PRECISION when calculating value length without
adjusting precision and decimals. As a result, a DECIMAL
constant with more than 65 digits ended up having length less
than precision or decimals which led to assertion failures.
Fixed by modifying my_decimal_precision_to_length() so that
precision is truncated to DECIMAL_MAX_PRECISION only for Field
object which is indicated by the new 'truncate' parameter.
Another inconsistency fixed by this patch is how DECIMAL
constants and expressions are handled for CREATE ... SELECT.
create_tmp_field_from_item() (which is used for constants) was
changed as a part of the bugfix for bug #24907 to handle long
DECIMAL constants gracefully. Item_func::tmp_table_field()
(which is used for expressions) on the other hand was still
using a simplistic approach when creating a Field_new_decimal
from a DECIMAL expression.
mysql-test/r/type_newdecimal.result:
Added a test case for bug #45262.
mysql-test/t/type_newdecimal.test:
Added a test case for bug #45262.
sql/item.cc:
Use the new 'truncate' parameter in
my_decimal_precision_to_length().
sql/item_cmpfunc.cc:
Use the new 'truncate' parameter in
my_decimal_precision_to_length().
sql/item_func.cc:
1. Use the new 'truncate' parameter in
my_decimal_precision_to_length().
2. Do not truncate decimal precision to DECIMAL_MAX_PRECISION
for additive expressions involving long DECIMAL constants.
3. Fixed an incosistency in how DECIMAL constants and
expressions are handled for CREATE ... SELECT.
sql/item_func.h:
Use the new 'truncate' parameter in
my_decimal_precision_to_length().
sql/item_sum.cc:
Use the new 'truncate' parameter in
my_decimal_precision_to_length().
sql/my_decimal.h:
Do not truncate precision to DECIMAL_MAX_PRECISION
when calculating length in
my_decimal_precision_to_length() if 'truncate' parameter
is FALSE.
sql/sql_select.cc:
1. Use the new 'truncate' parameter in
my_decimal_precision_to_length().
2. Use a more correct logic when adjusting value's length.
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The crash happend because for views which are joins
we have table_list->table == 0 and
table_list->table->'any method' call leads to crash.
The fix is to perform table_list->table->file->extra()
method for all tables belonging to view.
mysql-test/r/view.result:
test result
mysql-test/t/view.test:
test case
sql/sql_insert.cc:
added prepare_for_positional_update() function
which updates extra info about primary key for
tables belonging to view.
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enabled message storing into error message list
for 'drop table' command
mysql-test/r/warnings.result:
test result
mysql-test/t/warnings.test:
test case
sql/sql_table.cc:
We should skip error sending then we should return
warnings to client as some functions may send its
own errors, so we should set no_warnings_for_error= 0
only in case of warning.
The fix is to enable message storing into error message
list for 'drop table' command(only for error case).
tests/mysql_client_test.c:
test fix
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contains ONLY_FULL_GROUP_BY
The partitioning code needs to issue a Item::fix_fields()
on the partitioning expression in order to prepare
it for being evaluated.
It does this by creating a special table and a table list
for the scope of the partitioning expression.
But when checking ONLY_FULL_GROUP_BY the
Item_field::fix_fields() was relying that there always be
cached_table set and was trying to use it to get the
select_lex of the SELECT the field's table is in.
But the cached_table was not set by the partitioning code
that creates the artificial TABLE_LIST used to resolve the
partitioning expression and this resulted in a crash.
Fixed by rectifying the following errors :
1. Item_field::fix_fields() : the code that check for
ONLY_FULL_GROUP_BY relies on having tables with
cacheable_table set. This is mostly true, the only
two exceptions being the partitioning context table
and the trigger context table.
Fixed by taking the current parsing context if no pointer
to the TABLE_LIST instance is present in the cached_table.
2. fix_fields_part_func() :
2a. The code that adds the table being created to the
scope for the partitioning expression is mostly a copy
of the add_table_to_list and friends with one exception :
it was not marking the table as cacheable (something that
normal add_table_to_list is doing). This caused the
problem in the check for ONLY_FULL_GROUP_BY in
Item_field::fix_fields() to appear.
Fixed by setting the correct members to make the table
cacheable.
The ideal structural fix for this is to use a unified
interface for adding a table to a table list
(add_table_to_list?) : noted in a TODO comment
2b. The Item::fix_fields() was called with a NULL destination
pointer. This causes uninitalized memory reads in the
overloaded ::fix_fields() function (namely
Item_field::fix_fields()) as it expects a non-zero pointer
there. Fixed by passing the source pointer similarly to how
it's done in JOIN::prepare().
mysql-test/r/partition.result:
Bug #45807: test case
mysql-test/t/partition.test:
Bug #45807: test case
sql/item.cc:
Bug #45807: fix the ONLY_FULL_GROUP_BY check code to
handle correctly non-cacheable tables.
sql/sql_partition.cc:
Bug #45807: fix the Item::fix_fields() context
initializatio for the partitioning expression in
CREATE TABLE.
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Details:
- Add "sync_slave_with_master" at test end
- Restore the initial value of log_bin_trust_function_creators
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Creating an IBMDB2I table with the macce character set
is successful, but any attempt to insert data into the
table was failing.
This was happening because the character set name "macce"
is not a valid iconv descriptor for IBM i PASE. This patch
adds an override to convertTextDesc to use the equivalent
valid iconv descriptor "IBM-1282" instead.
mysql-test/suite/ibmdb2i/r/ibmdb2i_bug_45793.result:
Bug#45793 macce charset causes error with IBMDB2I
Result file for the test case.
mysql-test/suite/ibmdb2i/t/ibmdb2i_bug_45793.test:
Bug#45793 macce charset causes error with IBMDB2I
Add a testcase for the macce charater set.
storage/ibmdb2i/db2i_charsetSupport.cc:
Bug#45793 macce charset causes error with IBMDB2I
The character set name "macce" is not a valid iconv
descriptor for IBM i PASE. Add an override to convertTextDesc
to use the equivalent valid iconv descriptor "IBM-1282"
instead.
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without proper formatting
The problem is that a suitably crafted database identifier
supplied to COM_CREATE_DB or COM_DROP_DB can cause a SIGSEGV,
and thereby a denial of service. The database name is printed
to the log without using a format string, so potential
attackers can control the behavior of my_b_vprintf() by
supplying their own format string. A CREATE or DROP privilege
would be required.
This patch supplies a format string to the printing of the
database name. A test case is added to mysql_client_test.
sql/sql_parse.cc:
Added format strings.
tests/mysql_client_test.c:
Added new test case.
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mysqlbinlog --database parameter was being ignored when processing
row events. As such no event filtering would take place.
This patch addresses this by deploying a call to shall_skip_database
when table_map_events are handled (as these contain also the name of
the database). All other rows events referencing the table id for the
filtered map event, will also be skipped.
client/mysqlbinlog.cc:
Added shall_skip_database call to the part of the code that handles
Table_map_log_events. It inspects the database name and decides whether
to filter the event or not. Furthermore, if table map event is filtered
next events referencing the table id in the table map event, will also
be filtered.
mysql-test/suite/binlog/t/binlog_row_mysqlbinlog_db_filter.test:
Test case that checks if row events are actually filtered out.
sql/log_event.h:
Added a map for holding the currently ignored table map events.
Table map events are inserted when they shall be skipped and removed
once the last row event in the statement is processed.
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Add new header to Makefile.am so it gets bundled.
storage/innobase/Makefile.am:
Add header so it becomes part of a source distribution.
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After applying Innodb snapshot 5.1-ss5282, build was broken
because of missing header file.
Adding the header file to Makefile.am after informing the
innodb developers.
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A hardcoded use of nm and libc was put into configure.in. This broke
cross-compiling and is bad practice. Fitting variables now used.
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Merge the test case from 5.0 to 5.1 for BUG#40565
Detailed revision comments:
r5233 | marko | 2009-06-03 15:12:44 +0300 (Wed, 03 Jun 2009) | 11 lines
branches/5.1: Merge the test case from r5232 from branches/5.0:
------------------------------------------------------------------------
r5232 | marko | 2009-06-03 14:31:04 +0300 (Wed, 03 Jun 2009) | 21 lines
branches/5.0: Merge r3590 from branches/5.1 in order to fix Bug #40565
(Update Query Results in "1 Row Affected" But Should Be "Zero Rows").
Also, add a test case for Bug #40565.
rb://128 approved by Heikki Tuuri
------------------------------------------------------------------------
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BUG#45097 - Hang during recovery, redo logs for doublewrite buffer pages
Detailed revision comments:
r5128 | vasil | 2009-05-26 17:26:37 +0300 (Tue, 26 May 2009) | 7 lines
branches/5.1:
Fix Bug#45097 Hang during recovery, redo logs for doublewrite buffer pages
Do not write redo log for the pages in the doublewrite buffer. Also, do not
make a dummy change to the page because this is not needed.
r5150 | vasil | 2009-05-27 18:56:03 +0300 (Wed, 27 May 2009) | 4 lines
branches/5.1:
Whitespace fixup.
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BUG#45097 - Hang during recovery, redo logs for doublewrite buffer pages
Detailed revision comments:
r5126 | vasil | 2009-05-26 16:57:12 +0300 (Tue, 26 May 2009) | 9 lines
branches/5.1:
Preparation for the fix of
Bug#45097 Hang during recovery, redo logs for doublewrite buffer pages
Non-functional change: move FSP_* macros from fsp0fsp.h to a new file
fsp0types.h. This is needed in order to be able to use FSP_EXTENT_SIZE
in mtr0log.ic.
r5127 | vasil | 2009-05-26 17:05:43 +0300 (Tue, 26 May 2009) | 9 lines
branches/5.1:
Preparation for the fix of
Bug#45097 Hang during recovery, redo logs for doublewrite buffer pages
Do not include unnecessary headers mtr0log.h and fut0lst.h in trx0sys.h
and include fsp0fsp.h just before it is needed. This is needed in order
to be able to use TRX_SYS_SPACE in mtr0log.ic.
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But Should Be "Zero Rows"
After applying the innodb snapshot 5.0-ss5406 for bug#40565, the windows push build
tests failed because of the missing cast of void * pointer in row0sel.c file
Informed the innodb developers and received patch by email.
innobase/row/row0sel.c:
Cast the default_rec which is a void * pointer
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format." warnings
Despite the fact that a statement would be filtered out from binlog, a
warning would still be thrown if it was issued with the LIMIT.
This patch addresses this issue by checking the filtering rules before
printing out the warning.
mysql-test/suite/binlog/t/binlog_stm_unsafe_warning-master.opt:
Parameter to filter out database: "b42851".
mysql-test/suite/binlog/t/binlog_stm_unsafe_warning.test:
Added a new test case.
sql/sql_class.cc:
Added filtering rules check to condition used to decide whether to
printout warning or not.
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Some collations--including cp1250_czech_cs,latin2_czech_cs,
ucs2/utf8_czech_ci, ucs2/utf8_danish_ci--are not being
sorted correctly by the IBMDB2I storage engine. This
was being caused because the sort order used by DB2 is
incompatible with the order expected by MySQL.
This patch removes support for the cp1250_czech_cs and
latin2_czech_cs collations because it has been determined
that the sort order used by DB2 is incompatible with the
order expected by MySQL. Users needing a czech collation
with IBMDB2I are encouraged to use a Unicode-based collation
instead of these single-byte collations. This patch also
modifies the DB2 sort sequence used for ucs2/utf8_czech_ci
and ucs2/utf8_danish_ci collations to better match the
sorting expected by MySQL. This will only affect indexes
or tables that are newly created through the IBMDB2I storage
engine. Existing IBMDB2I tables will retain the old sort
sequence until recreated.
mysql-test/suite/ibmdb2i/r/ibmdb2i_bug_45196.result:
Bug#45196 Some collations do not sort correctly with IBMDB2I
Result file for the test case.
mysql-test/suite/ibmdb2i/t/ibmdb2i_bug_45196.test:
Bug#45196 Some collations do not sort correctly with IBMDB2I
Adding tests for testing the sort order with the modified collations.
storage/ibmdb2i/db2i_collationSupport.cc:
Bug#45196 Some collations do not sort correctly with IBMDB2I
Remove the support for the cp1250_czech_cs and latin2_czech_cs
collations because it has been determined that the sort order
used by DB2 is incompatible with the order expected by MySQL.
Users needing a czech collation with IBMDB2I are encouraged to
use a Unicode-based collation instead of these single-byte
collations. This patch also modifies the DB2 sort sequence
used for ucs2/utf8_czech_ci and ucs2/utf8_danish_ci collations
to better match the sorting expected by MySQL. This will only
affect indexes or tables that are newly created through the
IBMDB2I storage engine. Existing IBMDB2I tables will retain
the old sort sequence until recreated.
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The TABLE::reginfo.impossible_range is used by the optimizer to indicate
that the condition applied to the table is impossible. It wasn't initialized
at table opening and this might lead to an empty result on complex queries:
a query might set the impossible_range flag on a table and when the query finishes,
all tables are returned back to the table cache. The next query that uses the table
with the impossible_range flag set and an index over the table will see the flag
and thus return an empty result.
The open_table function now initializes the TABLE::reginfo.impossible_range
variable.
mysql-test/r/select.result:
A test case for the bug#45266: Uninitialized variable lead to an empty result.
mysql-test/t/select.test:
A test case for the bug#45266: Uninitialized variable lead to an empty result.
sql/sql_base.cc:
Bug#45266: Uninitialized variable lead to an empty result.
The open_table function now initializes the TABLE::reginfo.impossible_range
variable.
sql/sql_select.cc:
Bug#45266: Uninitialized variable lead to an empty result.
The open_table function now initializes the TABLE::reginfo.impossible_range
variable.
sql/structs.h:
Bug#45266: Uninitialized variable lead to an empty result.
A comment is added.
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The problem is that the one phase commit function failed to
properly end a empty transaction. The solution is to ensure
that the transaction cleanup procedure is invoked even for
empty transactions.
mysql-test/r/xa.result:
Add test case result for Bug#45548
mysql-test/t/xa.test:
Add test case for Bug#45548
sql/handler.cc:
Invoke transaction cleanup function whenever a transaction is ended.
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Change the default optimization level for Sun Studio to "-O1".
This is a workaround for a Sun Studio bug (see bug #41710
comments for details):
1. Use $GCC instead of $ac_cv_prog_gcc to check for gcc, since
the first one is the only documented way to do it.
2. Use $GXX instead of $ac_cv_prog_cxx_g to check for g++,
since the latter is set to "yes" when the C++ compiler accepts
"-g" which is the case for both g++ and CC.
3. When building with Sun Studio, set the default values for
CFLAGS/CXXFLAGS to "-O1", since unlike GCC, Sun Studio
interprets "-O" as "-xO3" (see the manual pages for cc and CC).
configure.in:
1. Use $GCC instead of $ac_cv_prog_gcc to check for gcc, since
the first one is the only documented way to do it.
2. Use $GXX instead of $ac_cv_prog_cxx_g to check for g++,
since the latter is set to "yes" when the C++ compiler accepts
"-g" which is the case for both g++ and CC.
3. When building with Sun Studio, set the default values for
CFLAGS/CXXFLAGS to "-O1", since unlike GCC, Sun Studio
interprets "-O" as "-xO3" (see the manual pages for cc and CC).
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The test case added failed sporadically on PB. This is due to the
fact that the user thread in some cases is waiting for slave IO
to stop and then check the error number. Thence, sometimes the
user thread would race for the error number with IO thread.
This post push fix addresses this by replacing the wait for slave
io to stop with a wait for slave io error (as it seems it was
added in 6.0 also after patch on which this is based was
pushed). This implied backporting wait_for_slave_io_error.inc
from 6.0 also.
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